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Wikipedia: The Tatar language (татар теле, татарча, tatar tele, tatarça, تاتار تيلی) is a Turkic language spoken by Volga Tatars mainly located in modern Tatarstan, Bashkortostan and Nizhny Novgorod Oblast. It should not be confused with the Crimean Tatar language, to which it is remotely related but with which it is not mutually intelligible.

Tatar is also native for several thousand Maris. Mordva's Qaratay group also speak a variant of Kazan Tatar.

In the 2010 census, 69% of Russian Tatars who responded to the question about language ability claimed a knowledge of the Tatar language.[3] In Tatarstan, 93% of Tatars and 3.6% of Russians did so. In neighbouring Bashkortostan, 67% of Tatars, 27% of Bashkirs, and 1.3% of Russians did.[4]